Answer:
It's black and every time it speaks it says its name.
I have a powerful bite and live in rivers and swamps. People are often afraid of my big jaws. What am I?
A man walks out of a house that has four walls all facing north. A bird walks past him. What is it?
What fish came first?
What screams when put in a pot of boiling water?
What is so fragile that saying its name breaks it?